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Finding the Fourth Proportional to 60,485.90, 83,475.22 and 36,287.77

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Solution

The fourth proportional to 60,485.90, 83,475.22 and 36,287.77 is: 50,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,485.90 : 83,475.22 = 36,287.77 : x
  2. Step 2: Convert to fraction form
    60,485.90/83,475.22 = 36,287.77/x
  3. Step 3: Cross multiply
    60,485.90x = 83,475.22 × 36,287.77
  4. Step 4: Simplify right side
    60,485.90x = 3,029,129,584.06
  5. Step 5: Solve for x
    x = 3,029,129,584.06/60,485.90
  6. Step 6: Final answer
    x = 50,079.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.